BE856978A - Procede de polymerisation - Google Patents
Procede de polymerisationInfo
- Publication number
- BE856978A BE856978A BE179486A BE179486A BE856978A BE 856978 A BE856978 A BE 856978A BE 179486 A BE179486 A BE 179486A BE 179486 A BE179486 A BE 179486A BE 856978 A BE856978 A BE 856978A
- Authority
- BE
- Belgium
- Prior art keywords
- polymerization process
- polymerization
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F22/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
- C08F22/04—Anhydrides, e.g. cyclic anhydrides
- C08F22/06—Maleic anhydride
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB30523/76A GB1529092A (en) | 1976-07-22 | 1976-07-22 | Polymerisation of maleic anhydride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE856978A true BE856978A (fr) | 1978-01-20 |
Family
ID=10309000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE179486A BE856978A (fr) | 1976-07-22 | 1977-07-20 | Procede de polymerisation |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4212788A (xx) |
| JP (1) | JPS5439485A (xx) |
| AU (1) | AU504987B2 (xx) |
| BE (1) | BE856978A (xx) |
| CA (1) | CA1099275A (xx) |
| CH (1) | CH626641A5 (xx) |
| DE (1) | DE2732628A1 (xx) |
| ES (1) | ES460929A1 (xx) |
| FR (1) | FR2359157A1 (xx) |
| GB (1) | GB1529092A (xx) |
| IT (1) | IT1114901B (xx) |
| NL (1) | NL7708134A (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2840167A1 (de) | 1978-09-15 | 1980-03-27 | Basf Ag | Verfahren zur herstellung von polymaleinsaeuren aus maleinsaeureanhydrid in gegenwart von acetanhydrid und wasserstoffperoxid |
| GB2164339A (en) * | 1984-09-11 | 1986-03-19 | Ciba Geigy Ag | Polymaleic anhydride derivatives |
| GB8502499D0 (en) * | 1985-01-31 | 1985-03-06 | Ciba Geigy Ag | Hydrolysed polymaleic anhydride |
| JPH0811763B2 (ja) * | 1985-06-10 | 1996-02-07 | 日本ゼオン株式会社 | α，β―不飽和ジカルボン酸無水物重合体 |
| DE3700535A1 (de) * | 1987-01-10 | 1988-07-21 | Basf Ag | Verfahren zur herstellung von wasserloeslichen copoylmerisaten der maleinsaeure und deren verwendung als wasserbehandlungsmittel |
| EP0337694B1 (en) | 1988-04-11 | 1993-12-29 | Nippon Shokubai Co., Ltd. | Process for producing acid-type maleic acid polymer and water-treating agent and detergent additive containing said polymer |
| US5156744A (en) * | 1989-02-14 | 1992-10-20 | Fmc Corporation | Process for inhibiting scale using maleic anhydride polymerized in reactive aromatic hydrocarbons |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB668574A (en) | 1948-12-16 | 1952-03-19 | Rohm & Haas | Improvements in or relating to the preparation of arylaliphatic dicarboxylic acid anhydrides |
| BE636328A (xx) | 1962-08-18 | |||
| FR1366468A (fr) | 1962-08-18 | 1964-07-10 | Hoechst Ag | Procédé de préparation de polymères de l'anhydride maléique |
| GB1349769A (en) * | 1971-11-01 | 1974-04-10 | Fmc Corp | Polymerization process |
| GB1411063A (en) * | 1973-02-14 | 1975-10-22 | Ciba Geigy Uk Ltd | Polymerisation process |
-
1976
- 1976-07-22 GB GB30523/76A patent/GB1529092A/en not_active Expired
-
1977
- 1977-07-04 CA CA281,910A patent/CA1099275A/en not_active Expired
- 1977-07-14 CH CH873177A patent/CH626641A5/de not_active IP Right Cessation
- 1977-07-18 AU AU27104/77A patent/AU504987B2/en not_active Expired
- 1977-07-19 DE DE19772732628 patent/DE2732628A1/de active Granted
- 1977-07-20 BE BE179486A patent/BE856978A/xx not_active IP Right Cessation
- 1977-07-21 ES ES460929A patent/ES460929A1/es not_active Expired
- 1977-07-21 IT IT7726003A patent/IT1114901B/it active
- 1977-07-21 NL NL7708134A patent/NL7708134A/xx not_active Application Discontinuation
- 1977-07-22 FR FR7722528A patent/FR2359157A1/fr active Granted
- 1977-07-22 JP JP8823477A patent/JPS5439485A/ja active Granted
-
1978
- 1978-11-16 US US05/962,566 patent/US4212788A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6236042B2 (xx) | 1987-08-05 |
| GB1529092A (en) | 1978-10-18 |
| IT1114901B (it) | 1986-02-03 |
| FR2359157A1 (fr) | 1978-02-17 |
| DE2732628C2 (xx) | 1988-11-10 |
| ES460929A1 (es) | 1978-05-16 |
| NL7708134A (nl) | 1978-01-24 |
| JPS5439485A (en) | 1979-03-26 |
| FR2359157B1 (xx) | 1980-02-01 |
| US4212788A (en) | 1980-07-15 |
| DE2732628A1 (de) | 1978-01-26 |
| CH626641A5 (xx) | 1981-11-30 |
| AU2710477A (en) | 1979-01-25 |
| CA1099275A (en) | 1981-04-14 |
| AU504987B2 (en) | 1979-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: CIBA-GEIGY (UK) LTD Effective date: 19910731 |